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According to GB5888-89《Quantitative analysis method of China grass's chemical Content》, the composition of cotton-straw peer is analysed. The results show that the cotton-straw peer contained 2.36% of adipocere, 19.54% of water-soluble, 3.34% of pectin, 25.88% of hemicellulose, 25.32% of lignin, 23.65% of cellulose.

按照GB5888-89《苎麻化学成分定量分析方法》对棉秆皮成分进行测定,得出棉秆皮中含脂腊质2.36%,水溶物19.54%,果胶3.34%,半纤维素25.88%,木质素25.32%,纤维素23.65%。

Product characteristic: The utensil is natural dissolve enzyme formula, delivers effective matter to the skin inner urge a fat to eliminate secreta with natural row, deep of excessive sebum tier.

产品特点:具天然溶酶方子,将有效物质送到肌肤内层,促使油脂粒与过剩皮脂的自然排,深层断根分泌物。

The repeatability and reproducibility of microwave testing chemical composition of ramie were studied. Five microwave ovens were applied in this experiment to test ceride, hydrotrope, pectin and hemicellulose in raw ramie samples .

摘要研究了苎麻化学成分微波检测法的重复性和再现性,试验采用苎麻原麻样品在5台不同的微波炉上提取测定脂蜡、水溶物、果胶及半纤维素。

The repeatability and reproducibility of microwave testing chemical composition of ramie were studied. Five microwave ovens were applied in this experiment to test ceride, hydrotrope, pectin and hemicellulose in raw ramie samples .

研究了苎麻化学成分微波检测法的重复性和再现性,实验采用苎麻原麻样品在5台不同的微波炉上提取测定脂蜡、水溶物、果胶及半纤维素。

We extract the lipid with hexane and then compare the removing effect of 20% trichoroacetic acid and 2.0mol/L chlorhydric acid after having condensed the extract.

将提取液浓缩后,利用正己烷萃取提取液中的脂溶性物质,然后分别测定在浓缩物中加入不同体积的20%的三氯乙酸及2mol/L的盐酸的除蛋白效果,结果显示盐酸为较佳的除蛋白试剂。

Objective : To detect the serum level of triglyceride、total cholesterol、low-density-lipoprotein-cholesterol、plasma viscosity,fibrinogen 、the level of plasma tissue plasminogen activator,plasminogen activator inhibitor-1(PAI-1) and calculate the score of nervous impairment of acute ischemia apoplexy patients ; so as to compre- hend changes of lipid metabolism、hemorheology and fibrinolysis function of AIA patients and it relation of the condition degree, and to investigate relationship between the above-mentioned microcosmic indexes and phlegm blood stasis syndrome.

目的:通过观察急性缺血性中风患者血清甘油三酯、胆固醇、低密度脂蛋白、血浆粘度、纤维蛋白原、血浆组织纤溶酶原激活物及其抑制剂-1(PAI-1)和评定神经功能缺损程度积分以了解急性缺血性中风患者脂质代谢、血液流变性及纤溶系统功能的变化及其与病情程度的关系,并探讨上述微观指标与痰瘀证的关系。

Six experimental stages were designed in our procedure, those are:(1) metabolite recovery and tested sample preparation: the metabolites were recovered by Amberlite XAD-2 absorption, followed by MeOH elution and solvent concentration;(2) antioxidant detection and strain selection: samples were quantitatively analyzed by the inhibition effects on formation of lipid peroxides and TBARS to screen the strains able to produce antioxidants. According to the established screening methods, we chose out a strain of actinomycetes, designed as AMBL-029C;(3) antioxidant purification: the fermentation broth was recovered by a series of separation techniques including centrifugation, Amberlite XAD-2 absorption, followed by MeOH elution and a successive TLC purification. The resulting primary purified compound [temperately designed as AMBL-029C-TS] was further analyzed by HPLC to monitor its purity;(4) physical-chemical characteristics: judging from the acid-base fractionation experiments, and the pH and temperature stability tests, the compound was deduced to be a acidic compound with the properties of low polarity and highly pH and temperature stable;(5) mechanism of the antioxidant: in comparison with some other known antioxidants, TS was subjected to investigate its antioxidant mechanism, together with BHT,-tocopherol, as well as two streptomyces metabolites, homogentisic acid and -phenylpyruvic acid, which were previously isolated as the natural antioxidants in our laboratory.

针对本实验目的,我们设计了以下的实验步骤﹔(1)二次代谢物回收及检测样本处理:我们将发酵所得的培养上清液,利用疏水吸附性树酯Amberlite XAD-2吸附回收,并以甲醇溶离及真空减压浓缩脱水等方式处理,以取得提供抗氧化活性筛选之检测样本;(2)抗氧化活性检测及菌种筛选:以「过氧化脂质」和「硫丙二醯尿」的生成量进行定性定量分析以作为抗氧化物质生产菌筛选之用;经此筛选程序,我们选获了具有抗氧化物质高生产力的菌株,命名为AMBL-029C;(3)抗氧化物质的分离纯化:针对生产菌株的发酵回收处理液,以矽胶薄层色层分离法经物质层析纯化后,并以高效能液相层析法(High performance liquid chromatography;HPLC)分析物质可得一初级纯化物质,命名为AMBL-029C-TS;(4)抗氧化物质的物理化学性质分析:由酸碱转溶(acid-base fractionation)实验得知,此抗氧化物质属於中低极性的强酸性物质,对温度(37℃-100℃)及酸碱度(pH3.0-13.0)均表现出高稳定性;(5)在抗氧化机制探讨方面,我们针对数种不同的抗氧化机制进行探讨,即: 1。

The copolymer of N isopropylacrylamide and acrylamido azobenzene was synthesized for the study of the effect of the photoisomerization of a water soluble copolymer containing azobenzene groups on the photocontrolled release behavior of liposomes.

为了研究侧链含有偶氮苯基的水溶性共聚物的光异构化对脂质体内包容物的光控释放的影响,设计合成了N-异丙基丙烯酰胺和丙烯酰胺基偶氮苯的共聚物。

The release property of small unilamellar vesicles coated with the copolymer was studied at 25℃ by using 5(6) carboxyfluorescein 5(6 CF as a water soluble marker.

以5(6)-羧基荧光素(5(6)-CF)为水溶性标记物,研究了共聚物包覆的小单层脂质体(smalunilamelarvesicles,SUV)在室温25℃时的释放行为。

Lianghe turpentine relative density, refractive index, initial boiling point, distillation range size, optical activity and chemical composition as well as the softening point, acid value, unsaponifiable matter content, ethanol insoluble matter, ash, optical activity and chemical composition and other physical and chemical characteristics of rosin gum were studied.

研究梁河脂松节油的相对密度、折光率、初馏点、馏程体积、旋光度和化学组成以及脂松香的软化点、酸值、不皂化物含量、乙醇不溶物、灰分、旋光度和化学组成等物理和化学特征。

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